Home / 30,976.95-46,467.19-8,788.58

Finding the Fourth Proportional to 30,976.95, 46,467.19 and 8,788.58

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Solution

The fourth proportional to 30,976.95, 46,467.19 and 8,788.58 is: 13,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.95 : 46,467.19 = 8,788.58 : x
  2. Step 2: Convert to fraction form
    30,976.95/46,467.19 = 8,788.58/x
  3. Step 3: Cross multiply
    30,976.95x = 46,467.19 × 8,788.58
  4. Step 4: Simplify right side
    30,976.95x = 408,380,616.69
  5. Step 5: Solve for x
    x = 408,380,616.69/30,976.95
  6. Step 6: Final answer
    x = 13,183.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.